Illuminating device for bakers  ovens



(NoModelJ' E. A. 0. PETERSEN.

ILLUMINATING DEVICE FOR BAKERS OVENS. No. 354,807. Patented Dec. 21,1886.

U IT D STATES PATENT Fries.

EDIIABD A. C. PETERSEN, OF CHICAGO, ILLINOIS.

ILLUMINATING DEVICE FOR BAKERS OVENS.

SPECIFICATION forming part of Letters Patent No. 354,807, dated December21, 1886.

Application filed May 18, 1886. Serial No. 202,576. (No model.)

To aZZ whom it may concern:

Be it known that I, EDUARD A. 0. PETER- SEN, a citizen of theUnitedStates of America, residing at Chicago, in the county of Cook and Stateof Illinois, have invented certain new and useful Improvements inIlluminating Devi"ces for Bakers Ovens, of which the following is aspecification, reference being had therein to the accompanying drawings.

This invention has for its object to provide in bakers ovens a centrallight that will illuminate the entire oven for better inspection of thebakings; and it consists of a gas-jet lantern suspended from the centralpart of the ceiling of the oven and connected with a gas-pipe andair-supply pipe, and with an escape-pipe for the products of combustion,so arranged that the lantern can be moved to'the front for cleaning andlighting without disconnecting the gas and air supplypipes, all aswillbe hereinafter more fully described and specifically claimed.

In the accompanying drawings, Figure 1 represents a transverse verticalsection on line 00 w in Fig. 2, and Fig. 2 a sectional plan, of a bakersoven provided with my illuminating device; Fig. 3, a transverse verticalsection and Fig. 4 is a transverse section of the lantern in aplane atright angles to that of Fig. 3.

Corresponding letters in the several figures of the drawings designatelike parts.

The lantern consists of a conical metal crown-plate, A, to the edge ofwhich is connected the rim-flange of a semispherical glass, B. Upon theapex of crown-plate A is formed or otherwise rigidly secured anelbow-tube, a, which enters and forms a telescopic joint with the elbowend of a pipe, C, projected through the top of the oven and leading intothe chimney for carrying off the products of combustion. The elbowtubea, thus engaged with pipe C, affords a firm support for the lantern,easily disconnected for removing such lantern.

Through one side of crown-plate A is projected and rigidly securedtherewith the gaspipe cl, diagonally bent toward the center of thelantern, where, to its end, it has a downwardly-pointing gas-burner, e.The exterior end of this gas-pipe d is pivotally coupled to pipe sectionf, which again is pivotally coupled to pipe-section g, and that again topipe h, projected through the front wall of the pipe, 75, alsodiagonally bent to meet pipe d, 1

with its end inclosing the end of such pipe (I,

and providing an annular outlet surrounding burner e. The exteriorend ofthis pipe kis pivotally coupled to pipe-section Z, which again ispivotally coupled to pipe-section m, and that again to pipe 92,projected through the front wall of theoven at the opposite side of thedoor of the same, as where the gas-pipe h is placed. The crown-plate Ais also provided with a socket, o, for inserting and detachably couplinga rod by which to move the lantern to the front for cleaning andlighting, and by which to replace and suspend it again to pipe C, and anopening with a suitable door or lid may be arranged in such crownshcet,through which to ignite the gas-jet.

As will be readily seen, the gas-jet is supplied with the necessaryatmospheric air through pipe k, Z, m, and n, to enable its clearburning, such air being drawn in by the suction caused from the draft ofthe chimney through pipe C,.that at the same time carries OR theproducts of combustion, and the gasjet can be regulated by'cock i fromthe front 7 I of-the oven.

The lantern can be readily moved in position (shown by dotted lines inFig. 2) for cleanthe perfect working of the same.

What I claim is 1. A lamp for use in ovens and analogous situations,consisting of the crown-plate and glass portion, as described, anexhaust-pipe, a c, and gas and air pipes, substantially as de scribed.

2. The combination of the oven, its chimney, and thelantern, comprisingcrownlate A,

glass B, bent exhaust-pipe a, the flexible gas haust-pipe, forming atelescopic connection and air pipes leading from without the oven, withpipe 0, that leads to the chimney, and and the pipe 0, leading to thechimney. with flexible gas and air supply pipes, substan- 3. A hermeticlantern for the interior of tially as and for the purpose set forth. 1 5bakers ovens, connected with flexible gas and In testimony whereof Iaflix my signature in air supply pipes, and with an exhaust-pipepresence of two witnesses.

leading into the chimney substantially as set 1 forth EDUARD A. O.PETERbEN.

4. A lantern for the interior of bakers Witnesses: 1o ovens, consistingof crown-plate A and convex ANTON SoHoENINGER,

glass B, and provided with elbow-shaped ex- Hnnms W. HUEHL. r

